Paul Morley: Morgan Spurlock's shallow This is Us is no Hard Day's Night – but both films are a sign of their own times. One broke the rules and captured a changing world. The other is competent, puny and gutless

To celebrate Numan's appearance at Bestival this weekend, we've revisited Rock's Backpages – the world's leading collection of vintage music journalism – for this classic interview by Paul Morley, first published in the NME in June 1979